18389836138894066332

Names of 18389836138894066332

• Cardinal: 18389836138894066332 can be written as Eighteen quintillion, three hundred eighty-nine quadrillion, eight hundred thirty-six trillion, one hundred thirty-eight billion, eight hundred ninety-four million, sixty-six thousand, three hundred thirty-two.

Scientific notation

• Scientific notation: 1.8389836138894066332 × 10¹⁹

Factors of 18389836138894066332

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1330295741

Divisors of 18389836138894066332

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 44130209 88260418 132390627 176520836 264781254 397171881 529562508 794343762 1191515643 1286165527 1588687524 2383031286 2572331054 3574546929 3858496581 4766062572 5144662108 7149093858 7716993162 11575489743 14298187716 15433986324 23150979486 34726469229 46301958972 69452938458 104179407687 138905876916 208358815374 416717630748 56758753515105143 113517507030210286 170276260545315429 227035014060420572 340552521090630858 510828781635946287 681105042181261716 1021657563271892574 1532486344907838861 2043315126543785148 3064972689815677722 4597459034723516583 6129945379631355444 9194918069447033166 18389836138894066332
• Sum of all divisors σ(n): 48074665354054545360
• Sum of proper divisors (its aliquot sum) s(n): 29684829215160479028
• 18389836138894066332 is an abundant number, because the sum of its proper divisors (29684829215160479028) is greater than itself. Its abundance is 11294993076266412696

Bases of 18389836138894066332

• Binary: 1111111100110101110100101000100011101000011011000000001010011100₂
• Hexadecimal: 0xFF35D288E86C029C
• Base-36: 3VPTOULTQZHR0

Squares and roots of 18389836138894066332

• 18389836138894066332 squared (18389836138894066332²) is 338186073215374221728764766238015934224
• 18389836138894066332 cubed (18389836138894066332³) is 6219186470886763501954416208693379150053606532181204946368
• The square root of 18389836138894066332 is 4288337223.0847315131
• The cube root of 18389836138894066332 is 2639526.0541003203

Scales and comparisons

• 18,389,836,138,894,066,332 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,389,836,138,894,066,332 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18389836138894066332 cubic inches would be around 219960.5 feet tall.

Recreational maths with 18389836138894066332

• 18389836138894066332 backwards is 23366049883163898381
• The number of decimal digits it has is: 20
• The sum of 18389836138894066332's digits is 99
• More coming soon!